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Sciences, Division of Chemical Sciences. THE SPEAR 3 LIGHT SOURCE §

By J. Safranek


SPEAR 3 is an upgrade of the 18-cell SPEAR 2 storage ring to 3GeV beam energy, 18nm-radian emittance and up to 500mA circulating current. The existing arrangement of photon beam lines remains largely unchanged, but opportunities arise for additional ID and dipole radiation exit ports. For optimum beam stability, the entire tunnel floor will be excavated and replaced with reinforced concrete. The magnet/vacuum-chamber supports will be mounted on rigid steel rafts (3 per cell). The cable plant and RF drive will be installed ahead of time while the power supplies, tunnel floor and pre-assembled rafts will be installed in a 6-month shutdown beginning April

Year: 2014
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